On 4/15/25 12:24, Richard Henderson wrote:
Reviewed-by: Philippe Mathieu-Daudé <phi...@linaro.org>
Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
  include/tcg/tcg-opc.h    |  3 +--
  tcg/optimize.c           | 14 ++++----------
  tcg/tcg-op.c             |  8 ++++----
  tcg/tcg.c                |  9 +++------
  tcg/tci.c                | 12 ++++--------
  docs/devel/tcg-ops.rst   |  6 +++---
  tcg/tci/tcg-target.c.inc |  5 +----
  7 files changed, 20 insertions(+), 37 deletions(-)

diff --git a/include/tcg/tcg-opc.h b/include/tcg/tcg-opc.h
index 1d27b882fe..a8c304ca63 100644
--- a/include/tcg/tcg-opc.h
+++ b/include/tcg/tcg-opc.h
@@ -54,6 +54,7 @@ DEF(divs2, 2, 3, 0, TCG_OPF_INT)
  DEF(divu, 1, 2, 0, TCG_OPF_INT)
  DEF(divu2, 2, 3, 0, TCG_OPF_INT)
  DEF(eqv, 1, 2, 0, TCG_OPF_INT)
+DEF(extract, 1, 1, 2, TCG_OPF_INT)
  DEF(movcond, 1, 4, 1, TCG_OPF_INT)
  DEF(mul, 1, 2, 0, TCG_OPF_INT)
  DEF(muls2, 2, 2, 0, TCG_OPF_INT)
@@ -89,7 +90,6 @@ DEF(st16_i32, 0, 2, 1, 0)
  DEF(st_i32, 0, 2, 1, 0)
  /* shifts/rotates */
  DEF(deposit_i32, 1, 2, 2, 0)
-DEF(extract_i32, 1, 1, 2, 0)
  DEF(sextract_i32, 1, 1, 2, 0)
  DEF(extract2_i32, 1, 2, 1, 0)
@@ -112,7 +112,6 @@ DEF(st32_i64, 0, 2, 1, 0)
  DEF(st_i64, 0, 2, 1, 0)
  /* shifts/rotates */
  DEF(deposit_i64, 1, 2, 2, 0)
-DEF(extract_i64, 1, 1, 2, 0)
  DEF(sextract_i64, 1, 1, 2, 0)
  DEF(extract2_i64, 1, 2, 1, 0)
diff --git a/tcg/optimize.c b/tcg/optimize.c
index 87395f8ab5..6a9effab6b 100644
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -2305,7 +2305,7 @@ static int fold_setcond_zmask(OptContext *ctx, TCGOp *op, 
bool neg)
static void fold_setcond_tst_pow2(OptContext *ctx, TCGOp *op, bool neg)
  {
-    TCGOpcode uext_opc = 0, sext_opc = 0;
+    TCGOpcode sext_opc = 0;
      TCGCond cond = op->args[3];
      TCGArg ret, src1, src2;
      TCGOp *op2;
@@ -2326,17 +2326,11 @@ static void fold_setcond_tst_pow2(OptContext *ctx, 
TCGOp *op, bool neg)
switch (ctx->type) {
      case TCG_TYPE_I32:
-        if (TCG_TARGET_extract_valid(TCG_TYPE_I32, sh, 1)) {
-            uext_opc = INDEX_op_extract_i32;
-        }
          if (TCG_TARGET_sextract_valid(TCG_TYPE_I32, sh, 1)) {
              sext_opc = INDEX_op_sextract_i32;
          }
          break;
      case TCG_TYPE_I64:
-        if (TCG_TARGET_extract_valid(TCG_TYPE_I64, sh, 1)) {
-            uext_opc = INDEX_op_extract_i64;
-        }
          if (TCG_TARGET_sextract_valid(TCG_TYPE_I64, sh, 1)) {
              sext_opc = INDEX_op_sextract_i64;
          }
@@ -2355,8 +2349,8 @@ static void fold_setcond_tst_pow2(OptContext *ctx, TCGOp 
*op, bool neg)
          op->args[2] = sh;
          op->args[3] = 1;
          return;
-    } else if (sh && uext_opc) {
-        op->opc = uext_opc;
+    } else if (sh && TCG_TARGET_extract_valid(ctx->type, sh, 1)) {
+        op->opc = INDEX_op_extract;
          op->args[1] = src1;
          op->args[2] = sh;
          op->args[3] = 1;
@@ -2885,7 +2879,7 @@ void tcg_optimize(TCGContext *s)
          case INDEX_op_eqv_vec:
              done = fold_eqv(&ctx, op);
              break;
-        CASE_OP_32_64(extract):
+        case INDEX_op_extract:
              done = fold_extract(&ctx, op);
              break;
          CASE_OP_32_64(extract2):
diff --git a/tcg/tcg-op.c b/tcg/tcg-op.c
index ba062191ac..ddade73b7b 100644
--- a/tcg/tcg-op.c
+++ b/tcg/tcg-op.c
@@ -998,7 +998,7 @@ void tcg_gen_extract_i32(TCGv_i32 ret, TCGv_i32 arg,
      }
if (TCG_TARGET_extract_valid(TCG_TYPE_I32, ofs, len)) {
-        tcg_gen_op4ii_i32(INDEX_op_extract_i32, ret, arg, ofs, len);
+        tcg_gen_op4ii_i32(INDEX_op_extract, ret, arg, ofs, len);
          return;
      }
      if (ofs == 0) {
@@ -1008,7 +1008,7 @@ void tcg_gen_extract_i32(TCGv_i32 ret, TCGv_i32 arg,
/* Assume that zero-extension, if available, is cheaper than a shift. */
      if (TCG_TARGET_extract_valid(TCG_TYPE_I32, 0, ofs + len)) {
-        tcg_gen_op4ii_i32(INDEX_op_extract_i32, ret, arg, 0, ofs + len);
+        tcg_gen_op4ii_i32(INDEX_op_extract, ret, arg, 0, ofs + len);
          tcg_gen_shri_i32(ret, ret, ofs);
          return;
      }
@@ -2670,7 +2670,7 @@ void tcg_gen_extract_i64(TCGv_i64 ret, TCGv_i64 arg,
      }
if (TCG_TARGET_extract_valid(TCG_TYPE_I64, ofs, len)) {
-        tcg_gen_op4ii_i64(INDEX_op_extract_i64, ret, arg, ofs, len);
+        tcg_gen_op4ii_i64(INDEX_op_extract, ret, arg, ofs, len);
          return;
      }
      if (ofs == 0) {
@@ -2680,7 +2680,7 @@ void tcg_gen_extract_i64(TCGv_i64 ret, TCGv_i64 arg,
/* Assume that zero-extension, if available, is cheaper than a shift. */
      if (TCG_TARGET_extract_valid(TCG_TYPE_I64, 0, ofs + len)) {
-        tcg_gen_op4ii_i64(INDEX_op_extract_i64, ret, arg, 0, ofs + len);
+        tcg_gen_op4ii_i64(INDEX_op_extract, ret, arg, 0, ofs + len);
          tcg_gen_shri_i64(ret, ret, ofs);
          return;
      }
diff --git a/tcg/tcg.c b/tcg/tcg.c
index 3f81dce074..5f5b323c66 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -1091,8 +1091,7 @@ static const TCGOutOp * const all_outop[NB_OPS] = {
      OUTOP(INDEX_op_divs2, TCGOutOpDivRem, outop_divs2),
      OUTOP(INDEX_op_divu2, TCGOutOpDivRem, outop_divu2),
      OUTOP(INDEX_op_eqv, TCGOutOpBinary, outop_eqv),
-    OUTOP(INDEX_op_extract_i32, TCGOutOpExtract, outop_extract),
-    OUTOP(INDEX_op_extract_i64, TCGOutOpExtract, outop_extract),
+    OUTOP(INDEX_op_extract, TCGOutOpExtract, outop_extract),
      OUTOP(INDEX_op_movcond, TCGOutOpMovcond, outop_movcond),
      OUTOP(INDEX_op_mul, TCGOutOpBinary, outop_mul),
      OUTOP(INDEX_op_muls2, TCGOutOpMul2, outop_muls2),
@@ -2326,6 +2325,7 @@ bool tcg_op_supported(TCGOpcode op, TCGType type, 
unsigned flags)
      case INDEX_op_add:
      case INDEX_op_and:
      case INDEX_op_brcond:
+    case INDEX_op_extract:
      case INDEX_op_mov:
      case INDEX_op_movcond:
      case INDEX_op_negsetcond:
@@ -2342,7 +2342,6 @@ bool tcg_op_supported(TCGOpcode op, TCGType type, 
unsigned flags)
      case INDEX_op_st8_i32:
      case INDEX_op_st16_i32:
      case INDEX_op_st_i32:
-    case INDEX_op_extract_i32:
      case INDEX_op_sextract_i32:
      case INDEX_op_deposit_i32:
          return true;
@@ -2371,7 +2370,6 @@ bool tcg_op_supported(TCGOpcode op, TCGType type, 
unsigned flags)
      case INDEX_op_st_i64:
      case INDEX_op_ext_i32_i64:
      case INDEX_op_extu_i32_i64:
-    case INDEX_op_extract_i64:
      case INDEX_op_sextract_i64:
      case INDEX_op_deposit_i64:
          return TCG_TARGET_REG_BITS == 64;
@@ -5516,8 +5514,7 @@ static void tcg_reg_alloc_op(TCGContext *s, const TCGOp 
*op)
          }
          break;
- case INDEX_op_extract_i32:
-    case INDEX_op_extract_i64:
+    case INDEX_op_extract:
          {
              const TCGOutOpExtract *out =
                  container_of(all_outop[op->opc], TCGOutOpExtract, base);
diff --git a/tcg/tci.c b/tcg/tci.c
index 30928c3412..6345029802 100644
--- a/tcg/tci.c
+++ b/tcg/tci.c
@@ -27,6 +27,7 @@
#define ctpop_tr glue(ctpop, TCG_TARGET_REG_BITS)
+#define extract_tr  glue(extract, TCG_TARGET_REG_BITS)
/*
   * Enable TCI assertions only when debugging TCG (and without NDEBUG defined).
@@ -656,9 +657,9 @@ uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState 
*env,
              tci_args_rrrbb(insn, &r0, &r1, &r2, &pos, &len);
              regs[r0] = deposit32(regs[r1], pos, len, regs[r2]);
              break;
-        case INDEX_op_extract_i32:
+        case INDEX_op_extract:
              tci_args_rrbb(insn, &r0, &r1, &pos, &len);
-            regs[r0] = extract32(regs[r1], pos, len);
+            regs[r0] = extract_tr(regs[r1], pos, len);
              break;
          case INDEX_op_sextract_i32:
              tci_args_rrbb(insn, &r0, &r1, &pos, &len);
@@ -772,10 +773,6 @@ uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState 
*env,
              tci_args_rrrbb(insn, &r0, &r1, &r2, &pos, &len);
              regs[r0] = deposit64(regs[r1], pos, len, regs[r2]);
              break;
-        case INDEX_op_extract_i64:
-            tci_args_rrbb(insn, &r0, &r1, &pos, &len);
-            regs[r0] = extract64(regs[r1], pos, len);
-            break;
          case INDEX_op_sextract_i64:
              tci_args_rrbb(insn, &r0, &r1, &pos, &len);
              regs[r0] = sextract64(regs[r1], pos, len);
@@ -1057,8 +1054,7 @@ int print_insn_tci(bfd_vma addr, disassemble_info *info)
                             op_name, str_r(r0), str_r(r1), str_r(r2), pos, 
len);
          break;
- case INDEX_op_extract_i32:
-    case INDEX_op_extract_i64:
+    case INDEX_op_extract:
      case INDEX_op_sextract_i32:
      case INDEX_op_sextract_i64:
          tci_args_rrbb(insn, &r0, &r1, &pos, &len);
diff --git a/docs/devel/tcg-ops.rst b/docs/devel/tcg-ops.rst
index 72a23d6ea2..2843f88772 100644
--- a/docs/devel/tcg-ops.rst
+++ b/docs/devel/tcg-ops.rst
@@ -456,7 +456,7 @@ Misc
         |
         |     *dest* = (*t1* & ~0x0f00) | ((*t2* << 8) & 0x0f00)
- * - extract_i32/i64 *dest*, *t1*, *pos*, *len*
+   * - extract *dest*, *t1*, *pos*, *len*
sextract_i32/i64 *dest*, *t1*, *pos*, *len* @@ -467,12 +467,12 @@ Misc
           to the left with zeros; for sextract_*, the result will be extended
           to the left with copies of the bitfield sign bit at *pos* + *len* - 
1.
         |
-       | For example, "sextract_i32 dest, t1, 8, 4" indicates a 4-bit field
+       | For example, "sextract dest, t1, 8, 4" indicates a 4-bit field
           at bit 8. This operation would be equivalent to
         |
         |    *dest* = (*t1* << 20) >> 28
         |
-       | (using an arithmetic right shift).
+       | (using an arithmetic right shift) on TCG_TYPE_I32.
* - extract2_i32/i64 *dest*, *t1*, *t2*, *pos* diff --git a/tcg/tci/tcg-target.c.inc b/tcg/tci/tcg-target.c.inc
index d8cf5d237b..ede11d9e70 100644
--- a/tcg/tci/tcg-target.c.inc
+++ b/tcg/tci/tcg-target.c.inc
@@ -436,10 +436,7 @@ static void tcg_out_movi(TCGContext *s, TCGType type,
  static void tcg_out_extract(TCGContext *s, TCGType type, TCGReg rd,
                              TCGReg rs, unsigned pos, unsigned len)
  {
-    TCGOpcode opc = type == TCG_TYPE_I32 ?
-                    INDEX_op_extract_i32 :
-                    INDEX_op_extract_i64;
-    tcg_out_op_rrbb(s, opc, rd, rs, pos, len);
+    tcg_out_op_rrbb(s, INDEX_op_extract, rd, rs, pos, len);
  }
static const TCGOutOpExtract outop_extract = {

Reviewed-by: Pierrick Bouvier <pierrick.bouv...@linaro.org>

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